<?xml version="1.0" encoding="utf-8"?>
<users>
  <% @visitors.each do |visitor| %>
    <user id="<%= visitor.user_hash %>" name="<%=h visitor.name %>" mail="<%=h visitor.mail %>" number="<%=h visitor.number %>" came="<%=h came_stamp(visitor.came_at) %>"  />
  <% end %>
</users>